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iHASE ☼ Institute of HIV/AIDS Surveillance &
Epidemiology
| What
is HIV/AIDS? |
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- HIV,
also known as human immunodeficiency virus, is the virus that causes
AIDS. As a retrovirus, the virus copies its genetic
information and takes over the DNA of healthy white blood cells or
T-cells in order to replicate itself;
- AIDS
or acquired immunodeficiency syndrome, is a manifestation of an advanced
HIV disease stage characterized by breakdown of the immune system
which prevents the body from fighting opportunistic diseases. AIDS is
clinically defined by a presence of HIV infection and a low level of
white blood cells or T-cells or other AIDS-defining opportunistic
illnesses. A normal adult has ~500-1500 of T-cells in every microliter(µL) of blood, but an AIDS patient has less than 200.
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HIV
Epidemiology |
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Worldwide
HIV Data
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Basic
HIV Epi
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IEPH
Features
Institutes & Initiatives |
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IEPH, Inc. is a nonprofit
institute whose global virtual network of Epidemiologists and Public Health practitioners
promote epidemiologic research in the public interest and are
committed to making the world's epidemiologic, scientific and
medical expertise, knowledge and
literature an easily accessible public resource. |
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